package com.huatai.user.config;

import com.alibaba.fastjson.JSON;
import com.huatai.common.api.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.InsufficientAuthenticationException;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.oauth2.provider.error.OAuth2AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @program: nanming-saas
 * @description: oauth异常处理
 * @author: songxiude
 * @create: 2024-04-29 16:19
 **/
@Component
@Slf4j
public class CustomAuthenticationEntryPoint extends OAuth2AuthenticationEntryPoint {
	@Override
	public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) throws IOException, ServletException {
		if(e instanceof BadCredentialsException){
			//如果是client_id和client_secret相关异常 返回自定义的数据格式
			response.setStatus(HttpStatus.OK.value());
			response.setHeader("Content-Type", "application/json;charset=UTF-8");
			R<Object> fail = R.fail("client_id错误");
			response.getWriter().write(JSON.toJSONString(fail));
		}else if(e instanceof InsufficientAuthenticationException){
			//如果是没有携带token
			response.setStatus(HttpStatus.UNAUTHORIZED.value());
			response.setHeader("Content-Type", "application/json;charset=UTF-8");
			R<Object> fail = R.fail(401,"未授权");
			response.getWriter().write(JSON.toJSONString(fail));
		}else {
			super.commence(request,response,e);
		}

	}
}
